国际警察山地自行车联合会16届年会(五月六日至十三日，Dayton, OH, USA)训练剪影:

TAKING IT LYING DOWN Police officers trained at the Dayton Police firing range yesterday as part of the 16th International Police Mountain Bike Association annual conference in Dayton, Ohio. Participants were training on their bicycles throughout the city during the six-day conference.